Topics created by Woody78

@Woody78 Be aware that on the Duet 2 M150 will only work when there is no movement of the printer carriage. The workaround I'm using is the Adafruit NeoDriver card, which works by I2C communication between Duet and NeoDriver, so you use M260 instead of M150. It's not fast, so you won't get fancy stuff, but it works for progress metering adequately, I think.

If you use the NeoDriver, be aware that although the NeoDriver has pull-up resistors built in, you have to add your own too. I think 4.7 k ohm, but in theory that depends on how long your I2C wiring is. The resistors go from 5V+ to each of the I2C lines (data and clock). Before I added pull-up resistors I was getting intermittent "I2C Transmission Error" problems.

Using the NeoDriver, you don't need the voltage level shifter circuit.

@jay_s_uk okay, thanks thats easy to make.

@cosmowave thats great. many thanks

@chrishamm yes, it is. great. thank you... now everything is fine

@Woody78

Hat jemand eine Idee?

Ja. Lesen! In English, of course, so that the Duet community can contribute. Start with the official (and very good) documentation by Duet3D itself - for Z probes, there’s this one: Connecting a Z probe. For the Klicky probe, scroll to the bottom. Then, search the forum for ”Klicky” - you’ll find many threads on that.

One note on your specific question: for a switching probe, it is possible to attach it to any input connector. The Duet 2 came with some dedicated ports, but these assignments were alleviated and have mostly become obsolete. BUT: in order to pick up the Clicky, you must first home the printer, so you might consider using a conventional endstop for Z anyway. For probing, the Klicky is fine.

Another reason to use the dedicated probe connector on the Duet 2 is flexibility: whenever you would like to switch to some other kind of probe, that’s easy with the Z probe header, with some other ports: impossible.